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V125BC [204]
3 years ago
10

This is complicated- what is 3x + (-2x)?

Mathematics
2 answers:
allochka39001 [22]3 years ago
6 0
3x + (-2x) would be just subtracting 2x from 3x, so it would be 1x or x. Hope this helped<3
yawa3891 [41]3 years ago
4 0
3x+(-2x)
3x-2x
1x or x

Final answer: x
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Solve formula for B v= 1/3Bh
MaRussiya [10]

v = 1/3Bh

Divide both sides by h.

v/h = 1/3B

Multiply both sides by 3.

3v/h = B

\boxed {B = \frac{3v}{h} }

5 0
2 years ago
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B

Step-by-step explanation:

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\250 doctors from three countries in Europe meeting in a conference to decide whether to approve a new vaccine for the flu. Amon
Bezzdna [24]

Answer:

0.683 = 68.3% probability that a randomly chosen doctor is in favor of the vaccine

Step-by-step explanation:

(a) What is the probability that a randomly chosen doctor is in favor of the vaccine

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60% of 65/250 = 0.26(French).

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p = 0.75*0.46 + 0.6*0.26 + 0.65*0.28 = 0.683

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8 0
3 years ago
What percent of 1.60 is 6
JulsSmile [24]
N% x 1.60 = 6   (I turned it from English to math)
Can't move n% back two places to make it a decimal so I will move the number I am multiplying by n% back two places instead.
Here is a sample to show you why it works.    .34 x 57 = 34 x .57

So
.016n = 6   (.016 is 1.60 decimal moved back two places)

Now divide both sides by .016
<u>.016</u>n   = <u>6
</u><u />.016     .016      n = 375%     

Why is the percent over 100% you might ask?

What % of 1.60 is 1.60  (Answer - all of it or 100%)
So What % of 1.60 is 6  - the number 6 being much bigger than 1.60, it is not surprising that the percent is more than 100.

What % of 1.60 is 1.60  - 100%
What %  of 1.60 is 3.20 - 200%   (notice that 3.20 is twice 1.60)
What % of 1.6 is 4.80   - 300%   (notice that 4.80 is three times 1.60)
What % of 1.6 is  6.40   - 400%  (notice that  6.40 is four times 1.60)
6 (the number in the problem) is just a bit less than 6.40  so 375% makes a lot a sense.
Hope you found this helpful. 

6 0
3 years ago
What is the y-intercept ?
joja [24]
The y-intercept is 2. The y-intercept occurs when x is 0. In the graph, y is 2 when x is 0.
6 0
2 years ago
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